Figure 2. The XRD spectra of raw biochars and biochars loaded with Zn2+.
(The species are 1. CaCO3 (81–2027), 2. quartz (SiO2, 85–0797), 3. sylvine (KCl, 75–0296), 4. hydrozincite (Zn5(CO3)2(OH)6, 72–1100)).
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.